The HED 040 Dual Ear Muff Hearing Protector Headphones from Williams Sound are compatible with receivers that have 3.5mm stereo jacks only. The Dual Ear Muff Headphones have a mild and low gain hearing loss rating. These full-size closed headphones are ideal for use in high-noise environments.
The HED 040 is recommended for Williams Sound PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receiver. It is not compatible with the Williams Sound PPA R35-8 receiver.
- Limited 90-Day Warranty
| Frequency Range | 200 Hz – 6 kHz |
| Impedance | 32 ? nominal |
| Noise Reduction | 24 dB |
| Stereo Plug | 1/8″ (3.5 mm) |
| Cable Length | 39″ (99 cm) |
| Weight | 0.85 lb (387 g) |
| Packaging Info | |
|---|---|
| Package Weight | 0.89 lb |
| Box Dimensions (LxWxH) | 8.25 x 5.75 x 4.25″ |
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